Leases - Summary of Future Lease Payments for Operating and Finance Leases (Detail) - USD ($) $ in Thousands	Jul. 31, 2022	Apr. 30, 2022
Operating And Finance Lease Liabilities Payments Due [Abstract]
2023	$ 3,642
2024	4,775
2025	3,504
2026	3,537
2027	3,564
Thereafter	42,381
Total future lease payments	61,403
Less amounts representing interest	(19,356)
Present value of lease payments	42,047
Less current maturities of lease liabilities	(2,799)
Long-term maturities of lease liabilities	39,248
Operating Leases
2023	1,332
2024	1,650
2025	324
2026	301
2027	272
Thereafter	125
Total future lease payments	4,004
Less amounts representing interest	(466)
Present value of lease payments	3,538
Less current maturities of lease liabilities	(1,613)	$ (1,495)
Long-term maturities of lease liabilities	1,925
Financing Leases
2023	2,310
2024	3,125
2025	3,180
2026	3,236
2027	3,292
Thereafter	42,256
Total future lease payments	57,399
Less amounts representing interest	(18,890)
Present value of lease payments	38,509
Less current maturities of lease liabilities	(1,186)	(1,158)
Finance Lease, Liability, Noncurrent	$ 37,323	$ 37,628

Finance lease liability payments due after year four.

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Lessee operating and finance lease liability payments due after year four.

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Lessee operating and finance lease liability payments due year four.

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Lessee operating and finance lease liability payments due year one.

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Lessee operating and finance lease liability payments due year three.

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Lessee operating and finance lease liability payments due year two.

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Lessee operating and finance lease liability payments remainder of fiscal year.

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Lessee operating and finance lease liability undiscounted excess amount.

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Lessee operating lease liability payments due after year four.

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Operating lease liabilities and finance lease liabilities payments due abstract.

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Operating and finance lease liability.

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Operating and finance lease liability current.

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Operating and finance lease liability noncurrent.

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Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
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-URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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